78327283
Nov 13, 2003
Dec 13, 2005
WATCHMAN'S TIME RECORDERS, NAMELY, A DEVICE FOR RECORDING THE ACTIVITIES OF SECURITY GUARDS TO INSURE THAT THE SECURITY GUARD ARRIVES AT SCHEDULED CHECKPOINTS; SIGNALING BUOYS; SCALES; GAS SENSORS FOR MEASURING GAS CONCENTRATION; LASERS FOR MEASURING PURPOSES; MEASURING APPARATUS, NAMELY, BEVELS; POCKET CALIPERS FOR MEASURING; RADIATION-MEASURING INSTRUMENTS; ELECTRICITY CONDUITS; ELECTRICAL TRANSFORMERS; ELECTRIC SWITCHES; ELECTRIC SWITCH PLATES; VOLTAGE REGULATORS FOR ELECTRIC POWER; ELECTRIC CONTROLLERS
Electrical and Scientific Apparatus